Seven-loop lamp



FIG. 1 is a rear perspective view of a seven-loop lamp;

FIG. 2 is a rear view of the lamp of FIG. 1;

FIG. 3 is a top view of the lamp of FIG. 1; and,

FIG. 4 is a side view of the lamp of FIG. 1.

All sides not shown in the drawing disclosure forms no part of the claimed design.

The broken lines showing a lamp housing form no part of the claimed design. 

The ornamental design for a seven-loop lamp, as shown and described. 